2Gerosa R,Menegazzi G,Borin M,et al.Cytotoxicity evaluation of six root canal sealers[J].J Endod,1995,21(9):446-448.
3Geurtsen W,Leinenbach F,Krage T,et al.Cytotoxicity of four root canal sealers in permanent 3T3 cells and primary human periodontal ligament fibroblast culture[J].Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1998,85:592-597.
4Tepel J,Darwisch M,Hoppe W.Reaction of inflamed periapical tissues to introcanal medication and root canal sealers[J].Endod Dent Traumatol,1994,10:233-238.
5Lehmann F,Leyhusen G,Geurtsen W.Usefulness of primary gingival fibroblast cultures of cytotoxicity test[J].J Dent Res,1996,75:254-258.
6Somerman MJ,Archer SY,Imm GR,et al.A comparative study of human periodontal ligament cells and gingival fibroblast in vitro[J].J Dent Res,1988,67:66-70.
7Nakamura M,Kawahara H,Kataoka Y,et al.Biocompatibility of dental amalgams in vitro during 52 week period[J].Shika Pikogaku Zasshi,1980,21(55):228-244.
